Конечно, давайте попробуем правильно упорядочить диалог. Вот логическая последовательность реплик:
1) Is your dad a doctor? That must be rewarding.
2) Yes, he is a doctor. It is rewarding, but also very hard work!
3) Does he have much time for hobbies?
4) Yes, he loves tennis, that’s his hobby. He plays twice a week.
5) Tennis! That’s athletic. He must be very fit.
6) He certainly is! Maybe we should start playing tennis!
Теперь диалог выглядит следующим образом:
1) Is your dad a doctor? That must be rewarding.
2) Yes, he is a doctor. It is rewarding, but also very hard work!
3) Does he have much time for hobbies?
4) Yes, he loves tennis, that’s his hobby. He plays twice a week.
5) Tennis! That’s athletic. He must be very fit.
6) He certainly is! Maybe we should start playing tennis!